``How Joe Gillis discovered combinatorial special function theory''.
(Appeared in the Math. Intell. v. 17, no. 2 (Spring 1995), 65-66.)
Joe Gillis was a great man, who influenced profoundly many generations
of Israeli mathematicians. This is a story of his great contribution to
eternal mathematics. One of the morals of the story is that if
you change fields, you might make a breakthrough by making a connection.
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